The mafia threatens Ewon into working for a loan shark, where he's forced to run dangerous errands for no pay. The culprit who doomed Ewon to this life is none other than Jiho, Ewon's jealous ex who still burns at Ewon's infidelity.

Let Dai is a tragic tale of forbidden love and unforgivable betrayal. Set in a soulless neo-Seoul ruled by young punks and pleasure seekers, an amoral teenager named Dai is the living embodiment of the city's beauty and cruelty.

Perverto is just a regular 17-year-old...with the unavoidable nickname, "pervert." Unlike his namesake, he's actually quite naive when it comes to sexual matters; his first and only youthful romance having ended terribly.